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                >[info] 本節,讓我們通過WebDriver與瀏覽器交互起來,解放我們的雙手,讓程序來控制瀏覽器操作。 [TOC] 通過前面章節學習的元素定位,WebDriver類提供的**find_element_by_xxx**返回的是一個 **`WebElement`類的實例對象**,我們后面可以稱它為“元素”吧。 `WebElement`類的源碼路徑:`\selenium\webdriver\remote\webelement.py` 通過源碼分析可知,WebElement同樣具有一系列的元素定位方法 **find_element_by_xxx**,用法與WebDriver中的是完全一樣的,下面就不再重復介紹如何元素定位了。 --- ## WebElement 中常見的元素操作 突然發現,其實我們對元素的操作,其實很少,無非就是鼠標點擊,輸入文本。 ### 清除文本輸入框 `clear(self)` ### 點擊元素 `click(self)` ### 提交表單 `submit(self)` ### 發送信息 `send_keys(self, *value)` ## WebElement 中常見的元素屬性 獲取元素的屬性,也就那么一回事! ### 獲取元素屬性 `get_attribute(self, name)` ### 判斷元素可見 `is_displayed(self)` ### 判斷元素可用 `is_enabled(self)` ### 判斷元素是否被選中 `is_selected(self)` ## WebElement 中常見的屬性方法 ### 獲取元素位置 `location` ### 獲取元素大小 `size` ### 獲取元素的文本 `text` >[info] 這些方法和屬性,都實在是太簡單了,就不舉例說明了。在實戰中,這些方法和屬性,我們會經常的使用,所以重點是找個實例來實戰一把吧! >加油!加油!加油! ## ActionChains 中的復雜操作 ActionChains中提供一些復雜操作,如鼠標移動,鼠標按鈕操作,按鍵操作和上下文菜單交互等,這些操作在實際運用中其實`復雜操作并不常用`,這里只簡單介紹一個元素拖拽的例子,其他方法,請自行查看源碼。 ```python element = driver.find_element_by_name("source") target = driver.find_element_by_name("target") from selenium.webdriver import ActionChains action_chains = ActionChains(driver) # 拖拽(在元素A上按住鼠標左鍵不放,拖動到元素B上,然后松開鼠標) action_chains.drag_and_drop(element, target).perform() ``` <hr style="margin-top:50px"> <section class="" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin: 40px 0% 10px;box-sizing: border-box;"><section class="" style="display: inline-block;width: 100%;border-width: 5px;border-style: double;border-color: rgb(23, 22, 24);padding: 10px;border-radius: 2px;box-sizing: border-box;"><section class="" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="transform: translate3d(20px, 0px, 0px);-webkit-transform: translate3d(20px, 0px, 0px);-moz-transform: translate3d(20px, 0px, 0px);-o-transform: translate3d(20px, 0px, 0px);font-size: 11px;margin: -50px 0% 0px;box-sizing: border-box;"><section class="" style="box-sizing: border-box;width: 7em;height: 7em;display: inline-block;vertical-align: bottom;border-radius: 100%;border-width: 4px;border-style: double;border-color: rgb(23, 22, 24);background-position: center center;background-repeat: no-repeat;background-size: cover;background-image: url(&quot;http://pav7h2emv.bkt.clouddn.com/FnD-fHkNDLN1-b02XmnMvsz6ld-n&quot;);"><section class="" style="width: 100%;height: 100%;overflow: hidden;box-sizing: border-box;"><img class="" data-ratio="0.6012024" data-w="499" data-src="http://pav7h2emv.bkt.clouddn.com/FnD-fHkNDLN1-b02XmnMvsz6ld-n" style="opacity: 0; box-sizing: border-box; width: 100% !important; height: auto !important; visibility: visible !important;" width="100%" data-type="jpeg" _width="100%" src="http://pav7h2emv.bkt.clouddn.com/FnD-fHkNDLN1-b02XmnMvsz6ld-n" data-fail="0"></section></section></section></section><section class="" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin: -30px 0% 30px;box-sizing: border-box;"><section class="" style="display: inline-block;vertical-align: top;width: 61.8%;padding: 0px 15px;box-sizing: border-box;"><section class="" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin: 40px 0% 0px;box-sizing: border-box;"><section class="" style="color: rgb(160, 160, 160);box-sizing: border-box;"><p style="margin: 0px;padding: 0px;box-sizing: border-box;">微信公眾號:</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">python測試開發圈</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section></section><section class="" style="display: inline-block;vertical-align: top;width: 38.2%;box-sizing: border-box;"><section class="" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="text-align: center;margin: 10px 0% 0px;box-sizing: border-box;"><section class="" style="max-width: 100%;vertical-align: middle;display: inline-block;border-width: 0px;border-radius: 0px;box-shadow: rgb(0, 0, 0) 0px 0px 0px;width: 90%;overflow: hidden !important;box-sizing: border-box;"><img data-ratio="1" data-w="430" data-src="http://pav7h2emv.bkt.clouddn.com/FibGgIJSMfHtehzeWOOzjdQKSMx5" style="vertical-align: middle; max-width: 100%; box-sizing: border-box; width: 100% !important; height: auto !important; visibility: visible !important;" width="100%" data-type="jpeg" _width="100%" class="" src="http://pav7h2emv.bkt.clouddn.com/FibGgIJSMfHtehzeWOOzjdQKSMx5" data-fail="0"></section></section></section></section></section></section><section class="" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="margin: -30px 0% 0px;box-sizing: border-box;"><section class="" style="display: inline-block;vertical-align: top;width: 61.8%;padding: 0px 15px;box-sizing: border-box;"><section class="" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="transform: translate3d(5px, 0px, 0px);-webkit-transform: translate3d(5px, 0px, 0px);-moz-transform: translate3d(5px, 0px, 0px);-o-transform: translate3d(5px, 0px, 0px);box-sizing: border-box;"><section class="" style="color: rgb(160, 160, 160);font-size: 14px;box-sizing: border-box;"><p style="margin: 0px;padding: 0px;box-sizing: border-box;">一起分享學習與成長路線</p></section></section></section></section><section class="" style="display: inline-block;vertical-align: top;width: 38.2%;box-sizing: border-box;"><section class="" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style="transform: translate3d(10px, 0px, 0px);-webkit-transform: translate3d(10px, 0px, 0px);-moz-transform: translate3d(10px, 0px, 0px);-o-transform: translate3d(10px, 0px, 0px);box-sizing: border-box;"><section class="" style="color: rgb(160, 160, 160);font-size: 14px;box-sizing: border-box;"><p style="margin: 0px;padding: 0px;box-sizing: border-box;">長按(或掃描)二維碼關注</p></section></section></section></section></section></section></section></section></section>
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